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Why gallium is smaller than the …

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Why gallium is smaller than the aluminium

    • Posted by Deepak Kumar 7 years, 11 months ago

    CBSE > Class 11 > Chemistry
    • 3 answers

    Abhinav Kalaliya 7 years, 11 months ago

    in gallium d orbital are present before valence shell which have poor screening effect hence valence electron feel more effective nuclear charge .so size is smaller.

    0Thank You

    Hamdan Hamdan 7 years, 11 months ago

    Aluminum is smaller than galium because atomic size increases down the group

    0Thank You

    Manjushree Hiremat 7 years, 11 months ago

    Atomic radius of ga is lesser than Al

    0Thank You

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